5 Pfg, 20 Pfg and 20 Pfg bell (I) on cover with first day postmark "BERLIN CHARLOTTENBURG 2 as 6.8.51 12-13" to Laasphe in Westfalia addressed, in perfect condition, photo expertize Lippschütz BPP: "genuine and immaculate", Michel 2.500.- - very rare First Day Cover!